長期増強とは? わかりやすく解説

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長期増強

同義/類義語:シナプス長期増強
英訳・(英)同義/類義語:long-term potentiation, synaps LTP

シナプス伝達効率が高いままで長期間保存される現象

シナプス長期増強

同義/類義語:長期増強
英訳・(英)同義/類義語:synaps LTP, synaps long term potenciate

シナプスでの刺激伝達が活発に行われる伝達効率が高まり、刺激消滅した後もその状態がしばらく保たれる現象

長期増強

出典: フリー百科事典『ウィキペディア(Wikipedia)』 (2020/04/08 13:37 UTC 版)

神経科学の分野において、長期増強(ちょうきぞうきょう、: Long-term potentiation、略称: LTP)は、神経細胞を同時刺激することにより2つの神経細胞間の信号伝達が持続的に向上する現象である[2]。神経細胞はシナプス結合を介して信号伝達しており、記憶はこのシナプスに貯えられていると信じられているので[3]、長期増強は学習記憶の根底にある主要な細胞学的機構の1つであると広く考えられている[2]


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